 <nz-select nzShowSearch [nzAllowClear]='allowClear' [nzPlaceHolder]="dictPlaceholder" [(ngModel)]="selectKey" (ngModelChange)='onSelectionChange()' [nzMode]="model">
     <nz-option *ngFor="let item of value" [nzLabel]="item.label" [nzValue]="item.value"></nz-option>
 </nz-select>
